ath9k: Setup short preamble properly in rate registration

This patch fixes an issue where hw_value_short was not being filled
with the proper ratecode during rate registration, but was being used
in the RX path for decoding the packet rate.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index e9b0684ea70e..d8e826659c15 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -217,7 +217,13 @@ static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
         for (i = 0; i < maxrates; i++) {
                 rate[i].bitrate = rate_table->info[i].ratekbps / 100;
                 rate[i].hw_value = rate_table->info[i].ratecode;
+                if (rate_table->info[i].short_preamble) {
+                        rate[i].hw_value_short = rate_table->info[i].ratecode |
+                                rate_table->info[i].short_preamble;
+                        rate[i].flags = IEEE80211_RATE_SHORT_PREAMBLE;
+                }
                 sband->n_bitrates++;
+
                 DPRINTF(sc, ATH_DBG_CONFIG, "Rate: %2dMbps, ratecode: %2d\n",
                         rate[i].bitrate / 10, rate[i].hw_value);
         }